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Finding the Fourth Proportional to 350,154.55, 483,206.71 and 214,178.51

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Solution

The fourth proportional to 350,154.55, 483,206.71 and 214,178.51 is: 295,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,154.55 : 483,206.71 = 214,178.51 : x
  2. Step 2: Convert to fraction form
    350,154.55/483,206.71 = 214,178.51/x
  3. Step 3: Cross multiply
    350,154.55x = 483,206.71 × 214,178.51
  4. Step 4: Simplify right side
    350,154.55x = 103,492,490,753.77
  5. Step 5: Solve for x
    x = 103,492,490,753.77/350,154.55
  6. Step 6: Final answer
    x = 295,562.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.